Learn about digital signatures, digital IDs, and signature lines to use in Word, Excel, and PowerPoint.

This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.

Digital signatures support this change by providing assurances about the validity and authenticity of a digital document. For more information, see Add or remove a digital signature in Office files.

Découvrez les signatures numériques, les ID numériques et les lignes de signature à utiliser dans Word, Excel et PowerPoint.

A digital signature is used to authenticate digital information — such as form templates, forms, e-mail messages, and documents — by using computer cryptography. Once a form is signed, either the …

You can view information about a digital signature, or the certificate that is used to create the digital signature, in Word, PowerPoint, and Excel. For more information on adding or removing digital …

You can show that you believe a database is safe and that its content can be trusted by adding a digital signature to the database. A digital signature confirms that any macros, code modules, and other …

A Collect Signatures workflow is a SharePoint products feature that routes a document or form created in Word, Excel, or InfoPath to one or more people for their signature.

It's recommended that you sign macros only after your solution has been tested and ready for distribution: when code in a signed macro project is changed in any way, its digital signature is …

Your handwritten signature gives your document a personal touch. You can scan your signature, store it as a picture, and then insert your signature in Word documents.